Day of School Festival! Yotsuba Nakano

[AUTO]:When this unit is placed on (RC) during your main phase, if you have a <Quintuplet> vanguard, look at the top three cards of your deck, choose up to one <Quintuplet> from among them, put it into memory, and shuffle the deck. [CONT](RC):If your memory has three or more <Quintuplet> with different card names, this unit gets [Power] +2000. (Active on opponent's turn too)